Home / 319,454,701.58-479,318,849.22-101,122,817.42

Finding the Fourth Proportional to 319,454,701.58, 479,318,849.22 and 101,122,817.42

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Solution

The fourth proportional to 319,454,701.58, 479,318,849.22 and 101,122,817.42 is: 151,727,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,454,701.58 : 479,318,849.22 = 101,122,817.42 : x
  2. Step 2: Convert to fraction form
    319,454,701.58/479,318,849.22 = 101,122,817.42/x
  3. Step 3: Cross multiply
    319,454,701.58x = 479,318,849.22 × 101,122,817.42
  4. Step 4: Simplify right side
    319,454,701.58x = 48,470,072,476,836,872
  5. Step 5: Solve for x
    x = 48,470,072,476,836,872/319,454,701.58
  6. Step 6: Final answer
    x = 151,727,528.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.